1,4-Dimethyl-1H-1,2,4-triazole-5(4H)-thione CAS 21885-29-0
| CAS No. | 21885-29-0 |
| Molecular Formula | C4H7N3S |
| Molecular Weight | 129.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1,4-Dimethyl-1H-1,2,4-triazole-5(4H)-thione (CAS 21885-29-0) is a high-purity analytical reference standard with the molecular formula C4H7N3S and a molecular weight of 129.18 g/mol.
Owing to a nitrile group, sulfur-containing functionality, 1,4-Dimethyl-1H-1,2,4-triazole-5(4H)-thione is typically white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 129.18 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 1,4-Dimethyl-1H-1,2,4-triazole-5(4H)-thione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C4H7N3S |
| Molecular Weight | 129.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Dimethyl Standards
- 1,2-Dimethyl-1H-1,2,3-triazole-5(2H)-thione (CAS 64808-28-2)
- 3,4-Dimethyl-1H-1,2,4-triazole-5(4H)-thione (CAS 38942-50-6)
- 4,5-dimethyl-2,3-dihydro-1,3-thiazol-2-one (CAS 25444-99-9)
- N,3-Dimethyl-1,2,4-thiadiazol-5-amine (CAS 35550-13-1)
- N,5-Dimethyl-1,3,4-thiadiazol-2-amine (CAS 38917-35-0)
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- 1,2-Dimethyl-4-piperidinol (CAS 45673-43-6)
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Recommended Standards
- 1-Fluoro-6-azaspiro[3.4]Octane (CAS 2306268-26-6)
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- 1-(Thiazol-2-yl)ethan-1-ol (CAS 40982-30-7)
- 1-(3-Ethyl-1,2,4-oxadiazol-5-yl)ethan-1-amine (CAS 936940-40-8)
- 4-(m-Tolylthio)piperidine hydrochloride (CAS 882863-88-9)
- N,N,2-Trimethyl-1-phenyl-1H-imidazol-5-amine (CAS 799813-82-4)
- 2-Isoproxy-3-methylpyridine-5-carboxaldehyde (CAS 1289162-33-9)
- 2-{4-[2-(2,6-Difluoro-phenyl)-4,5-dihydro-oxazol-4-yl]-phenyl}-oxazole (CAS 1231482-74-8)
- methyl 7-hydroxy-2-oxo-chromene-3-carboxylate (CAS 86788-49-0)
- Methyl 4-chloro-1H-benzo[d]imidazole-5-carboxylate (CAS 1806672-21-8)
- 2-Ethoxy-5-fluoropyridine (CAS 858675-61-3)
- 4-chloro-8-fluoroquinolin-3-amine (CAS 1602166-76-6)
- Tau Peptide (304-318) trifluoroacetate salt (CAS 330456-49-0)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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